Added str_word_count to the stub file (fix #6016)

[elnoro]

Hello

If I need to add any tests, please tell me where.
Thank you!

[weirdan]

We generally don't have tests for most of the stubs.

[elnoro]

Ok, so it failed on one of the test projects
The issue reported by Psalm is UnnecessaryVarAnnotation https://github.com/muglug/psl/blob/0.1.x/src/Psl/Str/Byte/words.php#L22.
Psalm could not figure out the type of the variable before, but it now can and therefore the annotation became obsolete. Should I send a PR to the library then?

[caugner]

Should I send a PR to the library then?

That's probably a good idea, but make sure to create the PR in muglug's fork, which is used in the "test-with-real-projects" (see below).

[weirdan]

That's probably a good idea, but make sure to create the PR in muglug's fork, which is used in the "test-with-real-projects".

It's better to send the PR upstream. For muglug's fork we would just baseline the issue.

[weirdan]

Should I send a PR to the library then?

Feel free to do that, but it's not a prerequisite to get this merged.

[caugner]

It's better to send the PR upstream. For muglug's fork we would just baseline the issue.

Oh, I just saw earlier that the fork's 1.6.x branch is tested, while upstream is already on 1.7.x, so I assumed the fork is not kept in sync with upstream anymore.